CAZyme Information: CNBN0250-t26_1-p1

Basic Information

• Species: Cryptococcus neoformans
• Lineage: Arthropoda; Insecta; ; Eriococcidae; Cryptococcus; Cryptococcus neoformans
• CAZyme ID: CNBN0250-t26_1-p1
• CAZy Family: GT71
• CAZyme Description: polysaccharide deacetylase

CAZyme Property

Protein Length	CGC	Molecular Weight	Isoelectric Point
253	CM000053|CGC1	27747.80	4.1794

Genome Property

Genome Version/Assembly ID	Genes	Strain NCBI Taxon ID	Non Protein Coding Genes	Protein Coding Genes
FungiDB-61_CneoformansB-3501A	6608	283643	108	6500

• Gene Location: location=CM000053:102716-103785(-)

Full Sequence      

MKFITSLFAVLAILSSVSASPTMKKRATVETINNCNQQGTVALTFDDGPYNYEAQVASAL
DGGKGTFFLNGANYVCIYDKADEIRALYDAGHTLGSHTWSHADLTQLDESGINEALFVEL
SKVEDAFVKILGVKPRYFRPPYGNINDNVLNVLSERGYTKVFLWSDDTGDANGESVSYSE
GVLDNVIQDYPNPHLVLDHSTIETTSSEVLPYAVPKLQSAGYQLVTVGECLGTDESPYEW
VDCPGERDSSWQC

Enzyme Prediction     

EC	3.5.1.41:1

CAZyme Signature Domains

Family	Start	End	Evalue	family coverage
CE4	36	159	1.3e-26	0.9

CDD Domains     

Cdd ID	Domain	E-Value	qStart	qEnd	sStart	sEnd	Domain Description
200575	CE4_ClCDA_like	7.28e-89	32	227	1	197	Catalytic NodB homology domain of Colletotrichum lindemuthianum chitin deacetylase and similar proteins. This family is represented by the chitin deacetylase (endo-chitin de-N-acetylase, ClCDA, EC 3.5.1.41) from Colletotrichum lindemuthianum (also known as Glomerella lindemuthiana), which is a member of the carbohydrate esterase 4 (CE4) superfamily. ClCDA catalyzes the hydrolysis of N-acetamido groups of N-acetyl-D-glucosamine residues in chitin, converting it to chitosan in fungal cell walls. It consists of a single catalytic domain similar to the deformed (alpha/beta)8 barrel fold adopted by other CE4 esterases, which encompasses a mononuclear metalloenzyme employing a conserved His-His-Asp zinc-binding triad closely associated with the conserved catalytic base (aspartic acid) and acid (histidine), to carry out acid/base catalysis. It possesses a highly conserved substrate-binding groove, with subtle alterations that influence substrate specificity and subsite affinity. Unlike its bacterial homologs, ClCDA contains two intramolecular disulfide bonds that may add stability to this secreted protein. The family also includes many uncharacterized deacetylases and hypothetical proteins mainly from eukaryotes, which show high sequence similarity to ClCDA.
213022	CE4_NodB_like_6s_7s	1.59e-47	39	218	1	171	Catalytic NodB homology domain of rhizobial NodB-like proteins. This family belongs to the large and functionally diverse carbohydrate esterase 4 (CE4) superfamily, whose members show strong sequence similarity with some variability due to their distinct carbohydrate substrates. It includes many rhizobial NodB chitooligosaccharide N-deacetylase (EC 3.5.1.-)-like proteins, mainly from bacteria and eukaryotes, such as chitin deacetylases (EC 3.5.1.41), bacterial peptidoglycan N-acetylglucosamine deacetylases (EC 3.5.1.-), and acetylxylan esterases (EC 3.1.1.72), which catalyze the N- or O-deacetylation of substrates such as acetylated chitin, peptidoglycan, and acetylated xylan. All members of this family contain a catalytic NodB homology domain with the same overall topology and a deformed (beta/alpha)8 barrel fold with 6- or 7 strands. Their catalytic activity is dependent on the presence of a divalent cation, preferably cobalt or zinc, and they employ a conserved His-His-Asp zinc-binding triad closely associated with the conserved catalytic base (aspartic acid) and acid (histidine) to carry out acid/base catalysis. Several family members show diversity both in metal ion specificities and in the residues that coordinate the metal.
200578	CE4_CtAXE_like	1.17e-42	41	229	3	179	Catalytic NodB homology domain of Clostridium thermocellum acetylxylan esterase and its bacterial homologs. This family is represented by Clostridium thermocellum acetylxylan esterase (CtAXE, EC 3.1.1.72), a member of the carbohydrate esterase 4 (CE4) superfamily. CtAXE deacetylates O-acetylated xylan, a key component of plant cell walls. It shows no detectable activity on generic esterase substrates including para-nitrophenyl acetate. It is specific for sugar-based substrates and will precipitate acetylxylan, as a consequence of deacetylation. CtAXE is a monomeric protein containing a catalytic NodB homology domain with the same overall topology and a deformed (beta/alpha)8 barrel fold as other CE4 esterases. However, due to differences in the topography of the substrate-binding groove, the chemistry of the active center, and metal ion coordination, CtAXE has different metal ion preference and lacks activity on N-acetyl substrates. It is significantly activated by Co2+. Moreover, CtAXE displays distinctly different ligand coordination to the metal ion, utilizing an aspartate, a histidine, and four water molecules, as opposed to the conserved His-His-Asp zinc-binding triad of other CE4 esterases.
396211	Polysacc_deac_1	3.31e-36	40	159	8	122	Polysaccharide deacetylase. This domain is found in polysaccharide deacetylase. This family of polysaccharide deacetylases includes NodB (nodulation protein B from Rhizobium) which is a chitooligosaccharide deacetylase. It also includes chitin deacetylase from yeast, and endoxylanases which hydrolyzes glucosidic bonds in xylan.
200569	CE4_SmPgdA_like	1.19e-34	40	222	2	185	Catalytic NodB homology domain of Streptococcus mutans polysaccharide deacetylase PgdA, Bacillus subtilis YheN, and similar proteins. This family is represented by a putative polysaccharide deacetylase PgdA from the oral pathogen Streptococcus mutans (SmPgdA) and Bacillus subtilis YheN (BsYheN), which are members of the carbohydrate esterase 4 (CE4) superfamily. SmPgdA is an extracellular metal-dependent polysaccharide deacetylase with a typical CE4 fold, with metal bound to a His-His-Asp triad. It possesses de-N-acetylase activity toward a hexamer of chitooligosaccharide N-acetylglucosamine, but not shorter chitooligosaccharides or a synthetic peptidoglycan tetrasaccharide. SmPgdA plays a role in tuning cell surface properties and in interactions with (salivary) agglutinin, an essential component of the innate immune system, most likely through deacetylation of an as-yet-unidentified polysaccharide. SmPgdA shows significant homology to the catalytic domains of peptidoglycan deacetylases from Streptococcus pneumoniae (SpPgdA) and Listeria monocytogenes (LmPgdA), both of which are involved in the bacterial defense mechanism against human mucosal lysozyme. The Bacillus subtilis genome contains six polysaccharide deacetylase gene homologs: pdaA, pdaB (previously known as ybaN), yheN, yjeA, yxkH and ylxY. The biological function of BsYheN is still unknown. This family also includes many uncharacterized polysaccharide deacetylases mainly found in bacteria.

CAZyme Hits     

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End
CAD10036.1|CE4|3.5.1.41	5.76e-183	1	253	1	249
AAW47023.2|CE4	2.35e-182	1	253	1	249
AUB28683.1|CE4	1.70e-175	1	253	1	249
AFR98526.1|CE4	1.70e-175	1	253	1	249
UOH85378.1|CE4	2.30e-170	1	253	1	265

PDB Hits     

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
2IW0_A	5.10e-29	9	240	11	245	Structure of the chitin deacetylase from the fungal pathogen Colletotrichum lindemuthianum [Colletotrichum lindemuthianum]
7BLY_A	8.02e-27	30	238	31	234	Chain A, Aspergillus niger contig An12c0130, genomic contig [Aspergillus niger CBS 513.88]
2Y8U_A	1.47e-23	21	235	15	225	Chain A, CHITIN DEACETYLASE [Aspergillus nidulans],2Y8U_B Chain B, CHITIN DEACETYLASE [Aspergillus nidulans]
5LFZ_A	1.36e-21	34	242	20	216	T48 deacetylase [Arthrobacter sp. AW19M34-1],5LGC_A T48 deacetylase with substrate [Arthrobacter sp. AW19M34-1]
2C1G_A	3.83e-21	24	239	221	424	Structure of Streptococcus pneumoniae peptidoglycan deacetylase (SpPgdA) [Streptococcus pneumoniae R6]

Swiss-Prot Hits     

Hit ID	E-Value	Query Start	Query End	Hit Start	Hit End	Description
sp|D4AM78|CDA_ARTBC	4.90e-36	32	236	161	364	Chitin deacetylase OS=Arthroderma benhamiae (strain ATCC MYA-4681 / CBS 112371) OX=663331 GN=CDA PE=3 SV=1
sp|A0A1L3THR9|CDA_PESTX	2.75e-32	7	232	5	229	Chitin deacetylase OS=Pestalotiopsis sp. OX=36460 GN=CDA PE=1 SV=1
sp|Q6DWK3|CDA_COLLN	1.64e-28	9	240	11	245	Chitin deacetylase OS=Colletotrichum lindemuthianum OX=290576 GN=CDA PE=1 SV=1
sp|D4B5F9|PGDA_ARTBC	9.27e-27	30	232	140	341	Probable peptidoglycan-N-acetylglucosamine deacetylase ARB_03699 OS=Arthroderma benhamiae (strain ATCC MYA-4681 / CBS 112371) OX=663331 GN=ARB_03699 PE=1 SV=2
sp|Q5AQQ0|CDA_EMENI	1.65e-23	7	235	1	232	Chitin deacetylase OS=Emericella nidulans (strain FGSC A4 / ATCC 38163 / CBS 112.46 / NRRL 194 / M139) OX=227321 GN=cda PE=1 SV=1

SignalP and Lipop Annotations

This protein is predicted as SP

Other	SP_Sec_SPI	CS Position
0.000197	0.999785	CS pos: 26-27. Pr: 0.8404

TMHMM  Annotations     

There is no transmembrane helices in CNBN0250-t26_1-p1.